Window screen



Filed Feb. 9, 1928 Patented Sept. 16, 1930 UNITED STATES PATENT ,oFl-ucls;

EDGARJ?. BUPPRECHT, OF CHICAGO, ILLINOIS, ASSIAGINORV TO AMERICAN ROLLING SCREEN CO., A CORPORATION OF ILLINOIS f WINDOW SCREEN Application filed February 9, 192s. serial No. 252,981.

This invention relates to a window screen and concerns itself primarily with means for adjusting the lower rail with respect to the screen guides.

The invention comprises the novel structure and combination of parts hereinafter described and more particularly pointed out and defined in the appended claims.

In the accompanying drawings which illustrate a preferred form of the invention and in which similar reference numerals refer to similar features in the different views:

Figure 1 is an elevational view of a window screen involving this invention mounted in a window. y

Figure 2 is an enlarged sectional view taken upon the line II-II of Figure 3.

Figure 3 is an enlarged fragmentary elevational view of the lower part of the screen.

Figure 4 is an enlarged sectional view taken upon the line IV-IV of Figure 3.

Figure 5 is an enlarged fragmentary perspective view of a portion of the lower rail.

As shown on the drawings:

The screen to which this invention is applied consists of a foraminous sheet l having its lower edge clamped between the halves 2 of a sectional lower rail. The halves or sections of the rail are corrugated to provide parallel ribs 3. The sections 2 are bolted or clamped in any suitable manner to the lower margin of the foraminous sheet.

The ends of the lower rail consist of adjustable parts which may be extended or contracted with respect to the guides 4 which extend along the sides of the window.

These adjustable parts consist of plate members 5 which are corrugated to fit over the main part of the rail. There are a pair of plate members 5 at each end of the rail in superposed relation therewith, with one on each side. Each pair of plate members 5 is attached by a pair of screw bolts or screws 6 which extend thru slots 7 in the rail proper. These screw bolts 6 also extend thru the handles 8 of the lower rail for confining the same there-on. The ends of the plates 5 support a leaf spring 9 which frictionally engages the lateral guides. j

Vhen it is desired to adjust the length of the lower rail in accordiance with the lateral guides, the screw bolts 6 are loosened, allowing the plate members 5 to be shi `ted either outwardly or inwardly by grasping the handles 8 according to whether. itis desired to shorten or lengthen the rail. r

From the foregoing it will be apparent that a very simple and readily operable adjustment has been provided for the ends of the lower rail and that the handles 8 serve to adjust each pair of plates-5.

I am aware' that many changes may be made, and numerous details of construction may be, varied through a wide range withoutl departing from the principles of this invention, and I therefore do not purpose limiting the patent granted hereon, otherwise than necessitated by the prior art. i

I claim as my invention:

1. In a window screen, a lower rail consisting of a body portion provided with slots, and a pair of plates, one on each side of said body portion, securing means extending thru said plates and slots, and a handle secured to one of said plates whereby upon loosening said securing means both plates may be adjusted.

2. In a window screen, a lower rail'consisting of a body portion and extensible ends, each extensible end consisting of a pair of plates, and means for adjusting said pair of plates. f

3. In a windowscreen, a lower rail consisting of a slotted plate, a pair of adjustable plates upon one end of said slotted plate, and securing means extending through said adjustable plate and the slots of said first mentioned plate.

4. In a window screen, a lower rail having guiding ribs thereon,-a pair of adjustable plates upon each end of said rail, said adjustable plates having grooves intertitting with said ribs for guiding the longitudinal movement of said adjustable plates relative to said rail, and means for securing said plates to said rail.

5. In a window screen, a lower rail having guiding ribs thereon, an adjustable plate at each end of said rail, said plate having grooves interitting with said ribs for guiding the longitudinal adjustment of said plate relative to said rail, and means for securing said plate to said rail.

6. In a screenV construction including a screen movable in an opening, guides for receiving the side margins of the screen, a rail connected to the bottom ofthe screen, end'pieces on the rail extending within the guides, and means for holding the Vend pieces and guides in frictional engagement.

7. In a screen construction including a screen movable in an opening, a pair of confronting channel-shaped guide members,

each of said members for receiving a lateral edge of said screen, a rail member secured to the lower edge of said screen, an adjustable plate upon each en d of said rail member extending into the adjacently varranged guide member7 resilient means extending between said plate and guide member for holding the same in frictional engagement,` and means for adjustably securing each of said plates to said rail.

8. In a window screen, a lower rail consisting of a body portion provided with slots, a pair of plates, oneo said Yplates on each side of said body portion, a handle having securing means extending through said plates and slots, whereby upon loosening said securing means both plates may be adjusted.

9. In a window screen, a lower. rail consisting of a body portion provided with slots, a plate on one side of said bodyportion, a handle having securing means extending through said plate and slot-s, whereby upon loosening said securing means said plate may be-adjusted., Y

In testimony whereof I have ,hereunto subscribed my name. v

EDGAR P. RUPPRECI-IT. 

